40143-402

View detailed technical data, stock status, and sourcing information for: 40143-402
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Federal Supply Group

Valves

Federal Supply Classification

4820 Nonpowered Valves

National Stock Number

4820-01-284-1067

Item Name Code

05492

Assigment Date

08/18/1988 (38 years ago)

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes:regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

reverse acting two-way valve action, valve size 1.250 in. special features, integral w/valve thermostatic element, straight thru body style, 2 end connection quantity

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Body Style: straight thru
End Connection Quantity: 2
Two-Way Valve Action: reverse acting
Thermostatic Element: integral w/valve
Special Features: valve size 1.250 in.
Material: copper alloy body
Material: copper alloy seat
Material: plastic tetrafluoroethylene packing
Material: steel corrosion resisting stem

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
40143 ASSY 40143-402	Temperature Regulating Valve
40143-402	Temperature Regulating Valve

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 4820-01-284-1067?

The FSCG of the NSN 4820-01-284-1067 is 4820

Does the NSN 4820-01-284-1067 have a Schedule B code assigned?

Yes, the Schedule B code is 8481809015

Does NSN 4820-01-284-1067 require demilitarization?

Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

Does NSN 4820-01-284-1067 contain precious materials?

Item does not contain precious metal.

Does NSN 4820-01-284-1067 contain hazardous materials?

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

When the NSN 4820-01-284-1067 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Thu, Aug 18, 1988